[IA64-SGI] XPC and unregistering from notifier lists
[IA64-SGI] XPC and unregistering from notifier lists

Only unregister from notifier lists if XPC is unloading.

Signed-off-by: Dean Nelson <23d1cd5a7cb5dacfcd2e05aa62142e62bfcaa7b3@sgi.com>
Signed-off-by: Tony Luck <e7984595ec0368ff920a7b3521dc7093683f6f26@intel.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs